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    1991 Mercruiser 4.3 …Have power but will not crank.

    1991 celebrity 4.3 mercruiser Alpha 1 I have power at the battery but the ignition switch is doing nothing. Gauges turn on. I tried to bypass it by jumping the solenoid terminals but the engine still would not crank. The solenoid was sparking when I tried to jump it however so I know there’s...
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    How much are these outdrives worth?

    Hi, I'm trying to sell 3 Alpha 1 outdrives. I'm hoping I can get some opinions in regards to pricing. I've been looking online to try and figure out my asking price but I figured I would ask here as well. All three outdrives work. They've been sitting in my garage for a couple years now. The...
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    Engine coupler replacement

    I have to change the engine coupler before I put my motor back into my boat. I'm hoping you guys can help me find the correct part. its a 3.0l mercruiser, came off an '87 starcraft. Serial number: B646516 Is this the correct one? https://www.iboats.com/shop/sierra-engine-coupler-18-2171.html...
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    Making sure I winterized correctly...

    Hey guys I know this topic is beaten to death but this is my first time so I just want to make sure I do it right. I have a 120 mercruiser in an 86 starcraft. I ran the engine and fogged the carb. then removed the plugs and fogged cylinders as well. Then I found 2 drain plugs on the port side...
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    86 starcraft not getting fuel...

    Hey guys just bought a starcraft with a 120 merc in it and its been sitting for years. Long story short I got the engine running however I'm having a bit of a fuel issue. I thought the fuel pump was shot considering the carb wasn't getting any fuel, and when I tore the pump apart it was all...
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    No spark, 120 mercruiser

    Hey guys so I've been trying to get a 120 mercruiser started thats been sitting for several years. I got the engine cranking but won't start. Pretty sure I have a fuel pump issue because the carb is dry however I've been spraying starter fluid into it and still get nothing so I'm assuming I have...
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    Can I swap a 120 merc with a 135 merc?

    I'm looking at a 16 ft starcraft with a 120 mercruiser engine and I have a feeling the engine is shot so I'm wondering if I could swap out the engine with a 3.0l mercruiser from an 18ft starcraft, basically the same boat. I'm just wondering if the mounting brackets will line up as well as the...
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    I think my outdrive blew..

    Hey guys, new to the forum and new to the boating world... Just bought an 87' starcraft and I've been boating a lot this summer. Motor runs great and I was just bragging to my buddy the other day about how awesome it runs (guess I jinxed myself.) I was on the water the other day and everything...
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